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Part Number: AT638A UPC: 088381822411 Weight: 6.7



• (1) Pneumatic Nailer Oil (181434-7)

• (1) Safety Glasses

• (2) No-Mar Tip

• (1) Air Fitting

• (1) Tool Case


• Efficient motor design offers leading power performance

• Tool-less depth adjustment for more precise flush and countersink stapling

• Built-in air duster provides convenient air flow to clear work surface

• 2-mode selector switch allows operator to select sequential or contact stapling operation

• Multi-directional exhaust port directs exhaust air away from operator

• Staple reload indicator window alerts the operator when to reload staples

• Housing bumpers protect tool and work surface

• Aluminum body for durability with less weight

• Includes two removable no-mar tips; convenient on tool storage

• Powerful motor drives standard 18 gauge, 1/4" narrow crown staples from 1/2" to 1-1/2" in length

• Reversible belt hook allows the tool to remain close

• Integrated rubber soft grip for operator comfort

• Narrow nose design allows easy stapling access in confined areas

• Bottom-loading magazine holds up to 100 staples for maximum efficiency

• Ideal for cabinets, shelving, insulation, lattice work, fencing and other woodworking applications

• Minimum recommended air delivery of 1.6 SCFM @ 90PSI

• 3-year limited warranty


• Operating Air Pressure : 70 - 120 PSI

• Nail Size (in., ga.) : 1/2" to 1-1/2" (18 ga.)

• Maximum Magazine Capacity : 100

• Minimum Recommended Air Delivery : 1.6 SCFM @ 90 PSI

• Certifications and listings : ANSI Certified

• Dimensions (LxWxH) : 9" x 2-15/16" x 9-7/8"

• Net Weight : 2.7 lbs.

• Color Family : Teal

• Fastening category : Stapler

• Manufacturer Warranty : 3-year limited warranty

• Max. nail/fastener length : 1-1/2" (18 ga.)

• Power Type : Pneumatic

• Case Included : Yes

• Shipping Weight : 6.7 lbs.

• UPC Code : 088381-822411

The Makita 1/4" Narrow Crown Stapler (model AT638A) combines ease-of-use and powerful performance in a compact size. The AT638A has a bottom-loading magazine that accepts 18 ga. staples sized 1/2" to 1-1/2". The staple reload indicator window alerts the user when to reload nails, and the contact arm and trigger are used together for controlled firing. The AT638A has a compact size and weighs only 2.7 lbs. for all-day use. Additional convenience features include a reversible belt hook that allows the tool to remain close-by, a multi-directional exhaust port that directs exhaust air away from the user, a built-in air duster that provides convenient air flow to clear your workspace, and a 2-mode selector switch offering quick control over nailing operation.

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